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ReplicaManagerBuilder.java
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ReplicaManagerBuilder.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kafka.server.builders;
import kafka.log.LogManager;
import kafka.server.AddPartitionsToTxnManager;
import kafka.server.AlterPartitionManager;
import kafka.server.BrokerTopicStats;
import kafka.server.DelayedDeleteRecords;
import kafka.server.DelayedElectLeader;
import kafka.server.DelayedFetch;
import kafka.server.DelayedOperationPurgatory;
import kafka.server.DelayedProduce;
import kafka.server.DelayedRemoteFetch;
import kafka.server.KafkaConfig;
import kafka.server.MetadataCache;
import kafka.server.QuotaFactory.QuotaManagers;
import kafka.server.ReplicaManager;
import kafka.log.remote.RemoteLogManager;
import kafka.zk.KafkaZkClient;
import org.apache.kafka.common.metrics.Metrics;
import org.apache.kafka.common.utils.Time;
import org.apache.kafka.storage.internals.log.LogDirFailureChannel;
import org.apache.kafka.server.util.Scheduler;
import scala.compat.java8.OptionConverters;
import java.util.Collections;
import java.util.Optional;
import java.util.concurrent.atomic.AtomicBoolean;
public class ReplicaManagerBuilder {
private KafkaConfig config = null;
private Metrics metrics = null;
private Time time = Time.SYSTEM;
private Scheduler scheduler = null;
private LogManager logManager = null;
private QuotaManagers quotaManagers = null;
private MetadataCache metadataCache = null;
private LogDirFailureChannel logDirFailureChannel = null;
private AlterPartitionManager alterPartitionManager = null;
private BrokerTopicStats brokerTopicStats = null;
private AtomicBoolean isShuttingDown = new AtomicBoolean(false);
private Optional<RemoteLogManager> remoteLogManager = Optional.empty();
private Optional<KafkaZkClient> zkClient = Optional.empty();
private Optional<DelayedOperationPurgatory<DelayedProduce>> delayedProducePurgatory = Optional.empty();
private Optional<DelayedOperationPurgatory<DelayedFetch>> delayedFetchPurgatory = Optional.empty();
private Optional<DelayedOperationPurgatory<DelayedDeleteRecords>> delayedDeleteRecordsPurgatory = Optional.empty();
private Optional<DelayedOperationPurgatory<DelayedElectLeader>> delayedElectLeaderPurgatory = Optional.empty();
private Optional<DelayedOperationPurgatory<DelayedRemoteFetch>> delayedRemoteFetchPurgatory = Optional.empty();
private Optional<String> threadNamePrefix = Optional.empty();
private Long brokerEpoch = -1L;
private Optional<AddPartitionsToTxnManager> addPartitionsToTxnManager = Optional.empty();
public ReplicaManagerBuilder setConfig(KafkaConfig config) {
this.config = config;
return this;
}
public ReplicaManagerBuilder setMetrics(Metrics metrics) {
this.metrics = metrics;
return this;
}
public ReplicaManagerBuilder setTime(Time time) {
this.time = time;
return this;
}
public ReplicaManagerBuilder setScheduler(Scheduler scheduler) {
this.scheduler = scheduler;
return this;
}
public ReplicaManagerBuilder setLogManager(LogManager logManager) {
this.logManager = logManager;
return this;
}
public ReplicaManagerBuilder setRemoteLogManager(RemoteLogManager remoteLogManager) {
this.remoteLogManager = Optional.ofNullable(remoteLogManager);
return this;
}
public ReplicaManagerBuilder setQuotaManagers(QuotaManagers quotaManagers) {
this.quotaManagers = quotaManagers;
return this;
}
public ReplicaManagerBuilder setMetadataCache(MetadataCache metadataCache) {
this.metadataCache = metadataCache;
return this;
}
public ReplicaManagerBuilder setLogDirFailureChannel(LogDirFailureChannel logDirFailureChannel) {
this.logDirFailureChannel = logDirFailureChannel;
return this;
}
public ReplicaManagerBuilder setAlterPartitionManager(AlterPartitionManager alterPartitionManager) {
this.alterPartitionManager = alterPartitionManager;
return this;
}
public ReplicaManagerBuilder setBrokerTopicStats(BrokerTopicStats brokerTopicStats) {
this.brokerTopicStats = brokerTopicStats;
return this;
}
public ReplicaManagerBuilder setIsShuttingDown(AtomicBoolean isShuttingDown) {
this.isShuttingDown = isShuttingDown;
return this;
}
public ReplicaManagerBuilder setZkClient(KafkaZkClient zkClient) {
this.zkClient = Optional.of(zkClient);
return this;
}
public ReplicaManagerBuilder setDelayedProducePurgatory(DelayedOperationPurgatory<DelayedProduce> delayedProducePurgatory) {
this.delayedProducePurgatory = Optional.of(delayedProducePurgatory);
return this;
}
public ReplicaManagerBuilder setDelayedFetchPurgatory(DelayedOperationPurgatory<DelayedFetch> delayedFetchPurgatory) {
this.delayedFetchPurgatory = Optional.of(delayedFetchPurgatory);
return this;
}
public ReplicaManagerBuilder setDelayedRemoteFetchPurgatory(DelayedOperationPurgatory<DelayedRemoteFetch> delayedRemoteFetchPurgatory) {
this.delayedRemoteFetchPurgatory = Optional.of(delayedRemoteFetchPurgatory);
return this;
}
public ReplicaManagerBuilder setDelayedDeleteRecordsPurgatory(DelayedOperationPurgatory<DelayedDeleteRecords> delayedDeleteRecordsPurgatory) {
this.delayedDeleteRecordsPurgatory = Optional.of(delayedDeleteRecordsPurgatory);
return this;
}
public ReplicaManagerBuilder setDelayedElectLeaderPurgatoryParam(DelayedOperationPurgatory<DelayedElectLeader> delayedElectLeaderPurgatory) {
this.delayedElectLeaderPurgatory = Optional.of(delayedElectLeaderPurgatory);
return this;
}
public ReplicaManagerBuilder setThreadNamePrefix(String threadNamePrefix) {
this.threadNamePrefix = Optional.of(threadNamePrefix);
return this;
}
public ReplicaManagerBuilder setBrokerEpoch(long brokerEpoch) {
this.brokerEpoch = brokerEpoch;
return this;
}
public ReplicaManagerBuilder setAddPartitionsToTransactionManager(AddPartitionsToTxnManager addPartitionsToTxnManager) {
this.addPartitionsToTxnManager = Optional.of(addPartitionsToTxnManager);
return this;
}
public ReplicaManager build() {
if (config == null) config = new KafkaConfig(Collections.emptyMap());
if (metrics == null) metrics = new Metrics();
if (logManager == null) throw new RuntimeException("You must set logManager");
if (metadataCache == null) throw new RuntimeException("You must set metadataCache");
if (logDirFailureChannel == null) throw new RuntimeException("You must set logDirFailureChannel");
if (alterPartitionManager == null) throw new RuntimeException("You must set alterIsrManager");
if (brokerTopicStats == null) brokerTopicStats = new BrokerTopicStats(Optional.of(config));
return new ReplicaManager(config,
metrics,
time,
scheduler,
logManager,
OptionConverters.toScala(remoteLogManager),
quotaManagers,
metadataCache,
logDirFailureChannel,
alterPartitionManager,
brokerTopicStats,
isShuttingDown,
OptionConverters.toScala(zkClient),
OptionConverters.toScala(delayedProducePurgatory),
OptionConverters.toScala(delayedFetchPurgatory),
OptionConverters.toScala(delayedDeleteRecordsPurgatory),
OptionConverters.toScala(delayedElectLeaderPurgatory),
OptionConverters.toScala(delayedRemoteFetchPurgatory),
OptionConverters.toScala(threadNamePrefix),
() -> brokerEpoch,
OptionConverters.toScala(addPartitionsToTxnManager));
}
}